BR8108851A - Aperfeicoamentos em bombas e motores de rodas dentadas - Google Patents
Aperfeicoamentos em bombas e motores de rodas dentadasInfo
- Publication number
- BR8108851A BR8108851A BR8108851A BR8108851A BR8108851A BR 8108851 A BR8108851 A BR 8108851A BR 8108851 A BR8108851 A BR 8108851A BR 8108851 A BR8108851 A BR 8108851A BR 8108851 A BR8108851 A BR 8108851A
- Authority
- BR
- Brazil
- Prior art keywords
- pumps
- motors
- tooth
- tooth motors
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0007—Radial sealings for working fluid
- F04C15/0019—Radial sealing elements specially adapted for intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/201,475 US4336005A (en) | 1979-04-13 | 1980-10-28 | Gear pumps and motors |
PCT/US1981/001442 WO1982001571A1 (en) | 1980-10-28 | 1981-10-28 | Improvements in gear pumps and motors |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8108851A true BR8108851A (pt) | 1982-09-21 |
Family
ID=22745972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8108851A BR8108851A (pt) | 1980-10-28 | 1981-10-28 | Aperfeicoamentos em bombas e motores de rodas dentadas |
Country Status (9)
Country | Link |
---|---|
US (1) | US4336005A (pt) |
JP (1) | JPS57501643A (pt) |
BE (1) | BE890896R (pt) |
BR (1) | BR8108851A (pt) |
CA (1) | CA1166076A (pt) |
FR (1) | FR2492904A2 (pt) |
GB (1) | GB2098663B (pt) |
IT (1) | IT1139298B (pt) |
WO (1) | WO1982001571A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3830313B2 (ja) * | 1999-09-06 | 2006-10-04 | 株式会社ジェイテクト | ギヤポンプ |
JP4611786B2 (ja) * | 2004-04-30 | 2011-01-12 | 日立オートモティブシステムズ株式会社 | ギヤポンプ及びその製造方法 |
US9453396B2 (en) * | 2011-12-02 | 2016-09-27 | Raymond C. Davis | Oil well pump apparatus |
US9068643B2 (en) * | 2012-11-14 | 2015-06-30 | Caterpillar Inc. | Efficiency spur gear set housing |
DK177834B1 (en) * | 2013-02-27 | 2014-09-08 | C C Jensen As | Device for processing a liquid under vacuum pressure |
GB2559549B (en) * | 2017-02-03 | 2019-12-25 | Rolls Royce Plc | Pump assembly |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1118533A (en) * | 1913-07-21 | 1914-11-24 | William C Crocker | Pump. |
US1783209A (en) * | 1926-12-29 | 1930-12-02 | James B Tuthill | Spur gear pump |
US1897560A (en) * | 1930-10-07 | 1933-02-14 | Wicaco Machine Corp | Gear pump |
DE625405C (de) * | 1930-11-22 | 1936-02-08 | Fritz Egersdoerfer | Zahnradpumpe oder -motor |
US2622534A (en) * | 1946-02-18 | 1952-12-23 | James P Johnson | Gear pump |
US2639694A (en) * | 1949-04-12 | 1953-05-26 | James P Johnson | Gear motor or pump |
US2742862A (en) * | 1953-03-09 | 1956-04-24 | New Prod Corp | Fluid pump |
US2855854A (en) * | 1954-02-19 | 1958-10-14 | Thompson Prod Inc | Pump with pressure loaded shoe |
US2996999A (en) * | 1958-01-22 | 1961-08-22 | Hupp Corp | Gear pump |
DE1403917A1 (de) * | 1961-07-08 | 1970-03-26 | Fr August Neidig Soehne Maschi | Zahnradmaschine |
DE1553028C3 (de) * | 1965-08-31 | 1978-06-29 | Eckerle, Otto, 7502 Malsch | Verschleißausgleichende Innenläufer-Zahnradpumpe |
DE1553030A1 (de) * | 1965-10-12 | 1975-06-19 | Otto Eckerle | Spiel- und verschleissausgleichende hochdruck-zahnradpumpe bzw. -motor |
US3427985A (en) * | 1967-08-09 | 1969-02-18 | Chandler Evans Inc | Three-gear pump with movable elements having plurality of sealing forces |
US3437048A (en) * | 1967-08-09 | 1969-04-08 | Chandler Evans Inc | Gear pump |
US3429270A (en) * | 1967-08-09 | 1969-02-25 | Chandler Evans Inc | Gear pump movable elements having a plurality of sealing forces |
US3498232A (en) * | 1968-04-29 | 1970-03-03 | Chandler Evans Inc | Gear pump with separating force distributing elements |
US3838952A (en) * | 1972-01-17 | 1974-10-01 | Komatsu Mfg Co Ltd | Gear pump and motor having a sealed lock for preventing hydraulic oil from leaking between the ends of the teeth of the gears |
JPS5346569Y2 (pt) * | 1973-04-20 | 1978-11-08 | ||
DE2411492C2 (de) * | 1974-03-11 | 1984-07-26 | Robert Bosch Gmbh, 7000 Stuttgart | Zahnradpumpe |
DE2604969A1 (de) * | 1976-02-09 | 1977-08-11 | Eckerle Otto | Zahnradpumpe oder -motor |
US4266915A (en) * | 1978-07-10 | 1981-05-12 | Tyrone Hydraulics Inc. | Gear pumps and motors |
-
1980
- 1980-10-28 US US06/201,475 patent/US4336005A/en not_active Expired - Lifetime
-
1981
- 1981-10-28 GB GB8218740A patent/GB2098663B/en not_active Expired
- 1981-10-28 BR BR8108851A patent/BR8108851A/pt unknown
- 1981-10-28 WO PCT/US1981/001442 patent/WO1982001571A1/en active Application Filing
- 1981-10-28 JP JP56503479A patent/JPS57501643A/ja active Pending
- 1981-10-28 CA CA000388943A patent/CA1166076A/en not_active Expired
- 1981-10-28 BE BE0/206371A patent/BE890896R/fr not_active IP Right Cessation
- 1981-10-28 IT IT24736/81A patent/IT1139298B/it active
- 1981-10-28 FR FR8120260A patent/FR2492904A2/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
BE890896R (fr) | 1982-02-15 |
GB2098663B (en) | 1984-07-04 |
CA1166076A (en) | 1984-04-24 |
JPS57501643A (pt) | 1982-09-09 |
IT1139298B (it) | 1986-09-24 |
US4336005A (en) | 1982-06-22 |
IT8124736A0 (it) | 1981-10-28 |
GB2098663A (en) | 1982-11-24 |
FR2492904A2 (fr) | 1982-04-30 |
WO1982001571A1 (en) | 1982-05-13 |
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